The Colts later signed former New York Giants wide receiver Hakeem Nicks in an effort to fortify the team's pass-catching corps. Nicks signed a one-year, $3.5 million deal with Indianapolis.

Indianapolis entertained the thought of getting involved in the Alex Mack sweepstakes, taking a long look at the Cleveland Browns center. But in the long run, Grigson and the Colts' player personnel department decided the cost was going to be too much.

Grigson did add former Dallas center Phil Costa to the mix, but Costa threw a monkey wrench into the team's plans by announcing his retirement five weeks after the contract was signed.

On the injury-front, the outlook is good as wide receiver Reggie Wayne (knee), tight end Dwayne Allen (hip), running back Vick Ballard (knee), Bradshaw (neck), offensive guard Donald Thomas (quad and biceps) and cornerback Greg Toler (groin) are all back.

Running back Trent Richardson (shoulder) also expects to be a full go when the Colts begin offseason training activity practices.

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NFL Team Report - Indianapolis Colts - NOTES, QUOTES

--When former Cowboys center Phil Costa decided to announce his retirement earlier this week, it was a surprise to just about everybody. Costa had signed a two-year, $2.7 million deal in late March. With his retirement, the Colts are now off the hook for the contract.

The ex-Dallas offensive lineman had played in 26 NFL games, 20 as a starter for the Cowboys.

Costa told the Indianapolis Star that his decision to abruptly retire came down to one relatively simple season: long-term health.

"Unfortunately, the day-to-day physical rigors of the NFL season has taken a toll on my body and has been a driving force behind my decision," he said. "As I look forward to the next chapter of my life, I will always be grateful for the opportunity to have played in the league."

--Wide receiver Reggie Wayne, who missed the second half of the 2013 season with a knee injury, is using perceived doubts from the media as he prepares for 2014.

"You guys motivate me," Wayne told the Indianapolis Star. "You guys say that I can't do it. I'm 35. I'm over the hill. No way I can come back the same.

"I wasn't a big newspaper reader, but now I've become one. Hopefully I can get you guys to sing another tune. Next time I read it, maybe you guys will be saying I've found the fountain of youth."

He's committed to regaining his Pro Bowl form at 35. Only 12 players in NFL history have posted a 1,000-yard receiving season after their 35th birthday.

Quarterback Andrew Luck has no doubts that Wayne will be back in top form in 2014.

"For lack of a better word, he is a freak, I think, in terms of health and what he can do at his age," Luck said. "I'm very excited for him to get on the field, and we all know he'll come back and produce probably better than he ever has."

--Tight end Dwayne Allen says that he has recovered from surgery on both hips from a stress fracture in his foot.

"(I'm at) 126.7 percent," Allen recently joked. He said later that while he wasn't sure how much work that he would be able to do at the start of preseason conditioning workouts, he has been fully cleared by team doctors to literally hit the ground running.

--Indianapolis added former Eagles safety Colt Anderson to the roster. Anderson had six starts over the last four seasons in Philadelphia.

Anderson (5-foot-10, 194) appeared in 48 games (six starts) over the past four seasons (2010-13) with the Eagles and recorded 47 tackles (33 solo), four passes defensed, one interception, two forced fumbles and 46 special teams stops.

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NFL Team Report - Indianapolis Colts - STRATEGY AND PERSONNEL

The Colts exercised the fifth-year option on left tackle Anthony Castonzo. Colts general manager Ryan Grigson confirmed the decision to the Indianapolis Star.

The option, worth $7.438 million for 2015, is part of the four-year, $8 million contract Castonzo signed after being selected with the 22nd overall pick in the 2011 NFL Draft.